Issue 25, 2019
From the journal:

Journal of Materials Chemistry C

Protection against a wide UV wavelength range by Bragg reflection from polycrystalline colloidal photonic crystals†

Toshimitsu Kanai, ORCID logo *a   Shinoka Nakashimaa  and  Tomomi Okia  

* Corresponding authors

a Yokohama National University, 79-5 Tokiwadai, Hodogaya, Yokohama, Kanagawa 240-8501, Japan
E-mail: tkanai@ynu.ac.jp

Abstract

Polycrystalline colloidal crystals, that formed in a 50 μm-thick cell, blocked ultraviolet (UV) light of 290–400 nm, regardless of the incident angle, while maintaining transparency in the visible light region. These crystals have the potential to be employed in effective UV-protection products against the sun.

Graphical abstract: Protection against a wide UV wavelength range by Bragg reflection from polycrystalline colloidal photonic crystals

  • This article is part of the themed collection: Photonics
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Article information

DOI
https://doi.org/10.1039/C9TC00680J
Article type
Communication
Submitted
04 Feb 2019
Accepted
11 Jun 2019
First published
17 Jun 2019

J. Mater. Chem. C, 2019,7, 7512-7515

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Protection against a wide UV wavelength range by Bragg reflection from polycrystalline colloidal photonic crystals

T. Kanai, S. Nakashima and T. Oki, J. Mater. Chem. C, 2019, 7, 7512 DOI: 10.1039/C9TC00680J

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